<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        body {
            background: -webkit-linear-gradient(#000, #000, #9932cc, #ffa500, #add8e6, #fff, #808080);
            min-height: 2000px;
        }
        div.star {
            position: absolute;
            animation: pulse 6s;
            animation-iteration-count: infinite;
            animation-delay: 0s;
            -webkit-animation: pulse 6s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 0s;
            top: 100px;
            left: 100px;
        }
        div.star:nth-child(2) {
            animation: pulse 10s;
            animation-iteration-count: infinite;
            animation-delay: 1s;
            -webkit-animation: pulse 10s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 1s;
            top: 120px;
            left: 80%;
        }
        div.star:nth-child(3) {
            animation: pulse 4s;
            animation-iteration-count: infinite;
            animation-delay: 3s;
            -webkit-animation: pulse 4s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 3s;
            top: 100px;
            left: 15%;
        }
        div.star:nth-child(4) {
            animation: pulse 6s;
            animation-iteration-count: infinite;
            animation-delay: 6s;
            -webkit-animation: pulse 6s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 6s;
            top: 250px;
            left: 35%;
        }
        div.star:nth-child(5) {
            animation: pulse 12s;
            animation-iteration-count: infinite;
            animation-delay: 2s;
            -webkit-animation: pulse 12s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 2s;
            top: 200px;
            left: 20%;
        }
        div.star:nth-child(6) {
            animation: pulse 8s;
            animation-iteration-count: infinite;
            animation-delay: 4s;
            -webkit-animation: pulse 8s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 4s;
            top: 150px;
            left: 50%;
        }
        div.star div {
            width: 20px;
            height: 20px;
            background-color: white;
            -webkit-filter: blur(8px);
            transform: rotate(45deg);
        }
        div.star div::before,
        div.star div::after {
            position: absolute;
            content: " ";
            width: 50px;
            height: 5px;
            top: 7px;
            left: -16px;
            background-color: white;
        }
        div.star div::before {
            -webkit-filter: blur(1px);
            transform: rotate(45deg);
        }
        div.star div::after {
            width: 50px;
            height: 20px;
            left: -12px;
            top: 3px;
            -webkit-filter: blur(50px);
            transform: rotate(-45deg);
        }
        div.star div:nth-child(2) {
            margin-top: -20px;
            transform: rotate(-60deg);
        }
        @-webkit-keyframes pulse {
            0% {
                transform: scale(0.4);
                opacity: 0.5;
            }
            20% {
                transform: scale(0.2);
            }
            50% {
                transform: scale(0.4);
                opacity: 1;
            }
            70% {
                transform: scale(0.2);
            }
            100% {
                transform: scale(0.4);
                opacity: 0.5;
            }
        }
        div.clouds {
            position: absolute;
            bottom: 300px;
        }
        div.clouds div {
            position: absolute;
            bottom: 0px;
            width: 150%;
            left: -25%;
            height: 250px;
            background: -webkit-linear-gradient(#add8e6, #666);
            background: -o-linear-gradient(#add8e6, #666);
            background: -moz-linear-gradient(#add8e6, #666);
            background: linear-gradient(#add8e6, #666);
            filter: blur(15px);
            -webkit-filter: blur(15px);
            border: 25px solid white;
            border-width: 0px 0px 25px 0px;
            box-shadow: 10px 10px 20px rbga(0, 0, 0, 1);
            opacity: 0.5;
        }
        div.clouds div:nth-child(1) {
            animation: moving 20s;
            animation-iteration-count: infinite;
            animation-delay: 0s;
            -webkit-animation: moving 20s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 0s;
            bottom: 150px;
        }
        div.clouds div:nth-child(2) {
            animation: moving 16s;
            animation-iteration-count: infinite;
            animation-delay: 8s;
            -webkit-animation: moving 16s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 8s;
            bottom: 60px;
        }
        div.clouds div:nth-child(3) {
            animation: moving 12s;
            animation-iteration-count: infinite;
            animation-delay: 0s;
            -webkit-animation: moving 12s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 0s;
            bottom: 110px;
        }
        div.clouds div:nth-child(4) {
            animation: moving 24s;
            animation-iteration-count: infinite;
            animation-delay: 2s;
            -webkit-animation: moving 24s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 2s;
            bottom: 130px;
        }
        div.clouds div:nth-child(5) {
            animation: moving 20s;
            animation-iteration-count: infinite;
            animation-delay: 5s;
            -webkit-animation: moving 20s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 5s;
            bottom: 200px;
        }
        div.clouds div:nth-child(6) {
            animation: moving 18s;
            animation-iteration-count: infinite;
            animation-delay: 1s;
            -webkit-animation: moving 18s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 1s;
            bottom: 90px;
        }
        div.clouds div:nth-child(7) {
            animation: moving 25s;
            animation-iteration-count: infinite;
            animation-delay: 7s;
            -webkit-animation: moving 25s;
            -webkit-animation-iteration-count: infinite;
            -webkit-animation-delay: 7s;
            bottom: 50px;
        }
        @-webkit-keyframes moving {
            0% {
                left: -25%;
                transform: rotateY(0deg);
                -webkit-transform: rotate(0deg);
            }
            50% {
                left: 0%;
                transform: rotateY(7deg);
                -webkit-transform: rotate(7deg);
            }
            100% {
                left: -25%;
                transform: rotateY(0deg);
                -webkit-transform: rotate(0deg);
            }
        }
        @keyframes moving {
            0% {
                transform: rotateY(0deg);
                -webkit-transform: rotate(0deg);
            }
            50% {
                transform: rotateY(7deg);
                -webkit-transform: rotate(7deg);
            }
            100% {
                transform: rotateY(0deg);
                -webkit-transform: rotate(0deg);
            }
        }
    </style>
</head>
<body>
<div class="star">
    <div></div>
    <div></div>
</div>
<div class="star">
    <div></div>
    <div></div>
</div>
<div class="star">
    <div></div>
    <div></div>
</div>
<div class="star">
    <div></div>
    <div></div>
</div>
<div class="star">
    <div></div>
    <div></div>
</div>
<div class="star">
    <div></div>
    <div></div>
</div>

<div class="clouds">
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
</div>
</body>
</html>